Asphalt-heater.



W. G. CHAUSSE. I

. ASPHALT HEATER.

' I APPLICATION FILED NOV. 25,1916. 1,295,694. v Patented Feb; 25; 1919.

2 SHE)ETSSHEET I.

. I IN V EN TOR. p. Q mlfn'd G'lausso 1 B M [Z 4 LI TORNEYZ W. G. CHAUSSE:

ASPHALT HEATER.

APPLICATION FILED NOV. 25. 1916.

Patented Feb. 25, 1919.

2 SHEETSSHEET 2.

- I] I 1 INVENTOR.

BY WZ'ljrid 6f Ufiaasse I INIIII" AT RNEYX WILFRID G. CHAUSSE, 015 DETROIT, MICHIGAN, AssIGNon. To CHAussE MANUEAG- TUBING COMPANY, on DETROIT, MICHIGAN; A CORPORATION or MICHIGAN.

ASPHALT-HEATER.

, To all whom itmaytoncern:

'Be it knownthat I, l'VlIIRID-G. Gnanssn, a subject of the King of Great Britain and Ireland, residing at Detroit, in thei'county of Wa ne and State of Michigan, have invented certain new and useful Improvements-in Asphalt-Heaters, ofwhich the following is a-full, clear, and eXact'specifica- This invention relates to: improvements in asphalt heaters. This inventionrelates'particularlyto portable heaters designed to apply an: intense heat to the surface of an asphalt pavement to melt and burn: away the top: surface thereof in connection with the resurfacing of the: pavement." V

The principal object of my invention is to provides; portable 'heater'having a hood carrying burners and confining and? directingthe heat and flame from the burners upon the surface: of th'e'pavement, said hood so carried and supported from the 'struction xwill definitel cleanly. definedand main frame of the apparatus that it may be lifted vertically a short distance to facilitate the' shifting ofthe apparatus from one section of pavemen-t to another; A further object of my invention is to'pro-vide simple,

compact and easily operable means for lifting the hood vertically andfor supporting it relative to the frame-of the appa- "ratus. Still a further object of my inveneconomies of operation and details'of cony app'earfrom' the detailed' description to follow. j

I accomplish the objects of my invention by the devices and meansdescribedin the following specification.

pended claims.

A structure; constituting a' preferred embodiment of my invention is illustrated" in the;accompanyingdrawings, forming part of ithiss'pecification; in which:-

Specification of Letters Patent.

invention; is pointed out in the ap-' Patented Feb.25, 1919.

Application filed 'i N'oveinber 25 1916. Serial No. 133324.

Figure I is a top plan view of a structure embodying my invention.

Fig. II is a view inend elevation showing thevhood lifted vertically a short distance from the surface of the pavement.

Fig. III is a detail, sectional view taken on the line 33 ofFig; I.

Fig. IV is a detail, sectional view taken on the line 44 Of Fig. II.

I In the drawings, similar referencenumerals' refer to similar parts throughout the several views and the sectional views aretaken loo'king'inthe" direction of the little arrows at the ends ofthe section lines;

Considering the numbered parts of the drawing, my improved" asphalt heater comprises a main frame 10', which :is supported on the springs 11 carried by the aXle'12' on which the wheels 13 are mounted. The frame 10'is s'o mounted relativeto the wheels that one side of the frame extends laterally U beyond the axle clearly shown in Fig. II. The fuel tanks 14' are carried by the main frame 10 resting on the cross members 16 and held in place by the straps 15. The fuel tanks are mounted on the side of'the frame balance the' wei'ghtof the hood, and itssupporting parts. An air pump 17 is mounted onone corner of the frame and connected by opposite that on which the hood is; supported so thattheirweight'tends to counterpipes18'with each fuel tank so that an air pressuremay be maintained in said tanks. A gage 19 'is provided to indicate the pressure in the-tanks, Valves 20 are provided in the pipes 18 so that either oft-he tanks P I I may be'cut ofi" from the air pump; A

tongue 2'1 isconnected to the frame 10 by means of which the apparatus may be hitched behind an automobile or other vehicleland conveyed from place to place.

The upright membersKQQ are fastened in- 'termediate their ends; to one side of the frame 10 and securely" braced in that positionby the braces- 23' and 24'with'the'lower ends of said upright members extending a considerable distance below the plane of the frame 10. The movable upright members 25'-are held in parallelism with the' 'firs'tmentioned upright membersand are sojsupportedas to' befsl'idable relative theretd; Yokes 26 embrace each'p'ai'r of upright T tive to the frame;

members and are secured to the slidable members 25 by bolts 27. The bolts 28 carried by the yokes 26 hold the uprights 22 and 25 in parallelism while permitting their sliding movement relative to each other. Pulleys 29 are journaled on the upper end of each upright member 22 and a pulley 30 is journaled on each of the slidable uprights 25 intermediate its ends. Flexible connecting members, such as a chain or cable, are fastened to the corners of the frame 10, pass around pulleys 30, up and over pulleys 29, and are fastened to and wound around shaft 32 which is j ournaled in'brackets 33 carried by the frame 10. A handle 34 is provided for rotating the shaft 32 and a ratchet Wheel 35 .isfixed on said shaft in position to be engaged by the pawl 36 which is pivotally mounted on the frame at 37 Brackets 38 aresecured to the lower ends of the slidable members 25 and these brackets are pivotally connected with the adjacent ends of the cross members 39 of the hood 40, so that the hood is hinged to the ends of'the slidable uprights 25. Flexible members 55 are connected to the upper ends of members 25 and to the hood at 56, the length of said flexible members being such that, when they are extended, the hood is supported in a horizontal plane. :A cross member 57 connects the upper ends of the fixed uprights 22 and braces them and hooks 58 are carried bysaid cross member in position to engage one of the longitudinal members 41 of the hood structure to hold and supportthe hood in vertical position. The hood is engaged with said hooks by swinging it upwardly from the position shown in Fig. II to the vertical position and then'releasing shaft 32 and lowering the slidable members 25 and the hood until hooks 58 engage the bar 41. This the position in which the hood is supported when the heater is to be moved for considerable distances from one piece of work to another.

The hood 40 comprises the side wall 42 and the top 43 all supported by the framework comprising the cross members 39 and the longitudinal bars 41. A plurality of b rners 44'extend through one end of the side wall 42. said burnersbeing partly suprt d bv th bar 45rconnected by the bars 46 with the frame work of the hood. 'Each burner is 'connected with the main fuel supply line 49 through the pipes 47 each the burners can-be cut ofl. The mainfuel supply line 49 is connected with pipe 51 through the union .50 which is such as to permit of the movement of the hood relanected by the flexible tube 52 with-the pipes 53 leading :to the fuel ankle Each pipe 53has a valve 54 sothat either tank can be shut ofl and fuel for theburners drawn The pipe 51 is con from but one of the tanks. This arrangement of duplicate fuel tanks and connections is important since 'as fast as one tank is emptied the burners can be connected with the other tank and the other tank refilled. V The hood is deeper on the side nearest the frame than on the outer side and the burners are arranged in a plane parallel to the top of the hood. This tends to de-. flect the heat and direct it on to the surface of the pavement so that a very intense fiameis directed thereagainst.

From the description of the parts given above, the operation should be very readily understood. The burners 44 are preferably of a'type using hydrocarbon fuel and are connected with thefuel tanks 14 carried by the frame 10. The frame 10 is supported on the springs which is a feature of practical advantage since it adds materially raised. When it is located over a section of paving, the surface of which is to :be removed, the pawl 36 is moved out of engagement with the ratchet 35 and the shaft 32 allowed to rotate paying out the flexible cables 31 so that the hood is lowered by a vertical movement until it restsonthe surfaceof the pavement. When it is desired to move to a new section of the pavement, the shaft 32 is rotated so as to wind cables 31 thereon lifting uprights 25 and hood 40 vertically. When it is necessary to move the heater fora considerable distance, as from one job to another, the hood is swung upwardly, on itspivotal connections with brackets 38, until-it extends in a vertical plane; The uprights 25 and hood. 40 arethen lowered by releasing shaft 321mtil the hooks 58 engage one of the longi tudinal bars 41'of the hood framework.

It will be seen that all of the supporting framework of the apparatus is to'oneside of the hood; This permits the use of the heater 'close' to street car tracks since the hood, which of course is nearest to the track,

is low and there is little likelihood ofinjury to the apparatus due to a blow front some vprojecting); portion of a street car. I have already pointed out the fact that the fuel tanks are so. arranged on the frame as to counterbalance the hood thus tending to balance the whole apparatus. V

*I am aware that this particular embodi .ment of my inventlon, here. shown and de- V v SCI1b8Cl,:1S susceptible ofconsiderable variation without departing from the spirit'of my invention, and, therefore, I desire to claim my invention broadly as indicated by the appended claims. I have found, however, that this embodiment is desirable from many standpoints and, therefore, I wish to claim it specifically, as well as broadly, as indicated by the appended claims.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:

1. A heater of the class described com.- prising the combination of a frame; transporting wheels therefor; a fuel tank carried by and extending longitudinally of said frame to one side of the center thereof; fixed uprights secured to the opposite side of said frame intermediate their ends; uprights held in parallelism with and slidable relative to said fixed uprights; a shaft journaled on said frame and extending longitudinally thereof; releasable means for preventing the rotation of said shaft; a pulley journaled on the upper end of each fixed upright; a pulley jo-urnaled on each slidable upright intermediate its ends; a flexible member for each pair of uprights connected at one end to said frame and at the other end to said shaft and passing over the first mentioned pulley and around the last mentioned pulley; a hood hinged to the lower ends of said slidable uprights and supported thereby in a substantially horizontal plane; burners carried by said hood; and flexible connections between said burners and said tank.

2. A heater of the class described comprising the combination of a. frame; transporting wheels therefor; a fuel tank, carried by and extending longitudinally of said frame; fixed uprights, secured to the side of said frame intermediate their ends; uprights held in parallelism with and slidable relative to said fixed uprights; a shaft, journaled on said frame and extending longitudinally thereof; releasable means for preventing the rotation of said shaft; a pulley journaled on the upper end ofeach fixed upright; a pulley journaled on each slidable upright intermediate its ends; a flexible member for each pair of uprights, connected at one end to said frame and at the other end of said shaft and working on said pulleys; a hood, hinged to the lower ends of said slidable uprights and supported thereby-in a substantially horizontal plane; burners, carried by said hood; and flexible connections between said burners and said tank.

3. A heater of the class described comprising the combination of a frame; transporting wheels therefor; a fuel tank carried by said frame; fixed uprights, secured to said frame intermediate their ends; uprights held in parallelism with and slidable relative to said fixed uprights; a shaft journaled on said frame; releasable means for preventing the rotation of said shaft; a pulfive cents each, by addressing the Washington, D. G.

ley journaled on the upper end of each fixed upright; a pulley journaled on each slidable upright intermediate its ends; a flexible member for each pair of uprights connected at one end to said frame and at the other end to said shaft and working on said pul' by said frame; fixed uprights, secured to said frame intermediate their ends; uprights held in parallelism with and slidable relative to said fixed uprights; a shaft journaled on said frame; a pulley journaled on the upper end of each fixed upright; a pulley journaled on each slidable upright intermediate its ends; a flexible member for each pair of uprights connected at one end of said frame and at the other end to said shaft and working on said pulleys; a hood hinged to the lower ends of said slidable uprights and supported thereby in a substantially horizontalplane; a burner carried by said hood; and connections between said burner and said tank.

5. A heater of the class described comprising the combination of a frame; transporting wheels therefor; a fuel tank carried by said frame; fixed uprights secured to said frame intermediate their ends; uprights held in parallelism with and slidable relative to said fixed-uprights; a rotatable shaft upon the frame, a hoisting mechanism connected therewith for moving said slidable uprights verticaly relative to said fixed uprights; a hood hinged to the lower ends of said slidable uprights and supported thereby in a substantially horizontal plane; a burner carried by said hood; and connections between said burnerand said tank.

6. A heater of the class described comprising the combination of a frame; transporting wheels therefor; a fuel tank carried by said frame; uprights supported by said frame and movable vertically with reference thereto; a hoisting mechanism for effecting vertical movement of said upright-s; a hood hinged to the lower ends of said uprights and supported thereby in a substantially horizontal plane adjacent the surface of the ground; a burner carried by said hood; and connections between said burner and said tank. I

In testimony whereof I have signed my name to this specification.

WILFRID e. CHAUSSE.

Commissioner of Patents, 

